Home / 687,232.80-1,030,849.20-188,596.80

Finding the Fourth Proportional to 687,232.80, 1,030,849.20 and 188,596.80

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Solution

The fourth proportional to 687,232.80, 1,030,849.20 and 188,596.80 is: 282,895.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,232.80 : 1,030,849.20 = 188,596.80 : x
  2. Step 2: Convert to fraction form
    687,232.80/1,030,849.20 = 188,596.80/x
  3. Step 3: Cross multiply
    687,232.80x = 1,030,849.20 × 188,596.80
  4. Step 4: Simplify right side
    687,232.80x = 194,414,860,402.56
  5. Step 5: Solve for x
    x = 194,414,860,402.56/687,232.80
  6. Step 6: Final answer
    x = 282,895.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.